./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a22d1d84f43657cc690c98e940f1a10486e8ef5e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 13:13:15,311 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:13:15,312 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:13:15,317 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:13:15,318 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:13:15,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:13:15,319 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:13:15,320 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:13:15,321 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:13:15,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:13:15,322 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:13:15,322 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:13:15,322 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:13:15,323 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:13:15,323 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:13:15,324 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:13:15,324 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:13:15,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:13:15,326 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:13:15,327 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:13:15,327 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:13:15,328 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:13:15,329 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:13:15,329 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:13:15,329 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:13:15,330 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:13:15,330 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:13:15,331 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:13:15,331 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:13:15,332 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:13:15,332 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:13:15,332 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:13:15,332 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:13:15,333 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:13:15,333 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:13:15,334 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:13:15,334 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 13:13:15,341 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:13:15,341 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:13:15,342 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:13:15,342 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 13:13:15,342 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 13:13:15,342 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 13:13:15,342 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 13:13:15,342 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 13:13:15,342 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 13:13:15,342 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 13:13:15,342 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 13:13:15,343 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 13:13:15,343 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 13:13:15,343 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:13:15,343 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:13:15,343 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:13:15,343 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:13:15,343 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:13:15,344 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 13:13:15,344 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:13:15,344 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 13:13:15,344 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:13:15,344 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:13:15,344 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 13:13:15,344 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:13:15,344 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:13:15,344 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:13:15,345 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 13:13:15,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:13:15,345 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:13:15,345 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:13:15,345 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 13:13:15,345 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 13:13:15,345 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:13:15,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 13:13:15,346 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 13:13:15,346 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a22d1d84f43657cc690c98e940f1a10486e8ef5e [2018-12-09 13:13:15,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:13:15,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:13:15,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:13:15,373 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:13:15,373 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:13:15,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c [2018-12-09 13:13:15,412 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/data/9d982760b/bcbde48f73dc4f67a8319067399efe50/FLAG176ee1fd4 [2018-12-09 13:13:15,824 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:13:15,825 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c [2018-12-09 13:13:15,831 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/data/9d982760b/bcbde48f73dc4f67a8319067399efe50/FLAG176ee1fd4 [2018-12-09 13:13:15,839 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/data/9d982760b/bcbde48f73dc4f67a8319067399efe50 [2018-12-09 13:13:15,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:13:15,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:13:15,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:13:15,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:13:15,844 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:13:15,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:13:15" (1/1) ... [2018-12-09 13:13:15,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:15, skipping insertion in model container [2018-12-09 13:13:15,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:13:15" (1/1) ... [2018-12-09 13:13:15,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:13:15,879 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:13:16,045 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:13:16,085 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:13:16,144 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:13:16,161 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:13:16,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:16 WrapperNode [2018-12-09 13:13:16,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:13:16,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:13:16,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:13:16,162 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:13:16,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:16" (1/1) ... [2018-12-09 13:13:16,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:16" (1/1) ... [2018-12-09 13:13:16,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:13:16,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:13:16,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:13:16,182 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:13:16,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:16" (1/1) ... [2018-12-09 13:13:16,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:16" (1/1) ... [2018-12-09 13:13:16,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:16" (1/1) ... [2018-12-09 13:13:16,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:16" (1/1) ... [2018-12-09 13:13:16,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:16" (1/1) ... [2018-12-09 13:13:16,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:16" (1/1) ... [2018-12-09 13:13:16,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:16" (1/1) ... [2018-12-09 13:13:16,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:13:16,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:13:16,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:13:16,204 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:13:16,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:13:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 13:13:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 13:13:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 13:13:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 13:13:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 13:13:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 13:13:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 13:13:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 13:13:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 13:13:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 13:13:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 13:13:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 13:13:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 13:13:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 13:13:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 13:13:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 13:13:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 13:13:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 13:13:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 13:13:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 13:13:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 13:13:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 13:13:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 13:13:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 13:13:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 13:13:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 13:13:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 13:13:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 13:13:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 13:13:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 13:13:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 13:13:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 13:13:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 13:13:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 13:13:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 13:13:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 13:13:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 13:13:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 13:13:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 13:13:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 13:13:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 13:13:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 13:13:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 13:13:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 13:13:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 13:13:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 13:13:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 13:13:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 13:13:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 13:13:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 13:13:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 13:13:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 13:13:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 13:13:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 13:13:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 13:13:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 13:13:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 13:13:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 13:13:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 13:13:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 13:13:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:13:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:13:16,530 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:13:16,531 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 13:13:16,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:13:16 BoogieIcfgContainer [2018-12-09 13:13:16,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:13:16,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 13:13:16,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 13:13:16,534 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 13:13:16,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:13:15" (1/3) ... [2018-12-09 13:13:16,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3fb740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:13:16, skipping insertion in model container [2018-12-09 13:13:16,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:16" (2/3) ... [2018-12-09 13:13:16,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3fb740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:13:16, skipping insertion in model container [2018-12-09 13:13:16,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:13:16" (3/3) ... [2018-12-09 13:13:16,537 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48_true-unreach-call_false-termination.cil.c [2018-12-09 13:13:16,545 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 13:13:16,552 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 13:13:16,565 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 13:13:16,588 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 13:13:16,588 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 13:13:16,588 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 13:13:16,588 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 13:13:16,589 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 13:13:16,589 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 13:13:16,589 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 13:13:16,589 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 13:13:16,601 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-12-09 13:13:16,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 13:13:16,607 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:13:16,607 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:13:16,609 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:13:16,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:16,612 INFO L82 PathProgramCache]: Analyzing trace with hash -2014577701, now seen corresponding path program 1 times [2018-12-09 13:13:16,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:13:16,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:16,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:16,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:16,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:13:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:13:16,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:13:16,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 13:13:16,755 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:13:16,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 13:13:16,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 13:13:16,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 13:13:16,768 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2018-12-09 13:13:16,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:13:16,792 INFO L93 Difference]: Finished difference Result 286 states and 357 transitions. [2018-12-09 13:13:16,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 13:13:16,793 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 13:13:16,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:13:16,800 INFO L225 Difference]: With dead ends: 286 [2018-12-09 13:13:16,800 INFO L226 Difference]: Without dead ends: 145 [2018-12-09 13:13:16,803 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 13:13:16,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-12-09 13:13:16,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-12-09 13:13:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-12-09 13:13:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2018-12-09 13:13:16,834 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 51 [2018-12-09 13:13:16,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:13:16,834 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2018-12-09 13:13:16,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 13:13:16,835 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2018-12-09 13:13:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 13:13:16,836 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:13:16,836 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:13:16,836 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:13:16,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:16,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1805316760, now seen corresponding path program 1 times [2018-12-09 13:13:16,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:13:16,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:16,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:16,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:16,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:13:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:13:16,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:13:16,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:13:16,889 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:13:16,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 13:13:16,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:13:16,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:13:16,890 INFO L87 Difference]: Start difference. First operand 145 states and 172 transitions. Second operand 3 states. [2018-12-09 13:13:16,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:13:16,904 INFO L93 Difference]: Finished difference Result 225 states and 267 transitions. [2018-12-09 13:13:16,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:13:16,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 13:13:16,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:13:16,905 INFO L225 Difference]: With dead ends: 225 [2018-12-09 13:13:16,905 INFO L226 Difference]: Without dead ends: 136 [2018-12-09 13:13:16,906 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:13:16,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-09 13:13:16,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-09 13:13:16,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-09 13:13:16,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 160 transitions. [2018-12-09 13:13:16,914 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 160 transitions. Word has length 52 [2018-12-09 13:13:16,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:13:16,914 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 160 transitions. [2018-12-09 13:13:16,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 13:13:16,914 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 160 transitions. [2018-12-09 13:13:16,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 13:13:16,915 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:13:16,915 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:13:16,916 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:13:16,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:16,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1269846208, now seen corresponding path program 1 times [2018-12-09 13:13:16,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:13:16,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:16,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:16,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:16,917 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:13:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:13:16,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:13:16,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 13:13:16,987 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:13:16,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 13:13:16,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 13:13:16,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:13:16,988 INFO L87 Difference]: Start difference. First operand 136 states and 160 transitions. Second operand 7 states. [2018-12-09 13:13:17,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:13:17,243 INFO L93 Difference]: Finished difference Result 403 states and 494 transitions. [2018-12-09 13:13:17,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 13:13:17,244 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 13:13:17,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:13:17,246 INFO L225 Difference]: With dead ends: 403 [2018-12-09 13:13:17,246 INFO L226 Difference]: Without dead ends: 295 [2018-12-09 13:13:17,247 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 13:13:17,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-12-09 13:13:17,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 283. [2018-12-09 13:13:17,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-12-09 13:13:17,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 346 transitions. [2018-12-09 13:13:17,276 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 346 transitions. Word has length 57 [2018-12-09 13:13:17,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:13:17,276 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 346 transitions. [2018-12-09 13:13:17,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 13:13:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 346 transitions. [2018-12-09 13:13:17,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 13:13:17,279 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:13:17,279 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:13:17,279 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:13:17,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:17,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1395939551, now seen corresponding path program 1 times [2018-12-09 13:13:17,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:13:17,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:17,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:17,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:17,280 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:13:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:13:17,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:13:17,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 13:13:17,353 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:13:17,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 13:13:17,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 13:13:17,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 13:13:17,354 INFO L87 Difference]: Start difference. First operand 283 states and 346 transitions. Second operand 6 states. [2018-12-09 13:13:17,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:13:17,496 INFO L93 Difference]: Finished difference Result 775 states and 972 transitions. [2018-12-09 13:13:17,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 13:13:17,496 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-09 13:13:17,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:13:17,499 INFO L225 Difference]: With dead ends: 775 [2018-12-09 13:13:17,500 INFO L226 Difference]: Without dead ends: 520 [2018-12-09 13:13:17,501 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 13:13:17,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2018-12-09 13:13:17,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 514. [2018-12-09 13:13:17,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2018-12-09 13:13:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 632 transitions. [2018-12-09 13:13:17,537 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 632 transitions. Word has length 62 [2018-12-09 13:13:17,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:13:17,537 INFO L480 AbstractCegarLoop]: Abstraction has 514 states and 632 transitions. [2018-12-09 13:13:17,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 13:13:17,537 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 632 transitions. [2018-12-09 13:13:17,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 13:13:17,539 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:13:17,539 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:13:17,539 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:13:17,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:17,540 INFO L82 PathProgramCache]: Analyzing trace with hash -428736037, now seen corresponding path program 1 times [2018-12-09 13:13:17,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:13:17,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:17,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:17,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:17,541 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:13:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:13:17,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:13:17,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 13:13:17,624 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:13:17,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 13:13:17,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 13:13:17,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:13:17,625 INFO L87 Difference]: Start difference. First operand 514 states and 632 transitions. Second operand 7 states. [2018-12-09 13:13:17,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:13:17,987 INFO L93 Difference]: Finished difference Result 1355 states and 1778 transitions. [2018-12-09 13:13:17,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 13:13:17,987 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-09 13:13:17,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:13:17,989 INFO L225 Difference]: With dead ends: 1355 [2018-12-09 13:13:17,989 INFO L226 Difference]: Without dead ends: 869 [2018-12-09 13:13:17,991 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 13:13:17,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2018-12-09 13:13:18,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 771. [2018-12-09 13:13:18,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-09 13:13:18,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 935 transitions. [2018-12-09 13:13:18,019 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 935 transitions. Word has length 66 [2018-12-09 13:13:18,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:13:18,019 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 935 transitions. [2018-12-09 13:13:18,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 13:13:18,019 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 935 transitions. [2018-12-09 13:13:18,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 13:13:18,021 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:13:18,021 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:13:18,021 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:13:18,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:18,021 INFO L82 PathProgramCache]: Analyzing trace with hash 170619660, now seen corresponding path program 1 times [2018-12-09 13:13:18,021 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:13:18,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:18,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:18,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:18,022 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:13:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 13:13:18,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:13:18,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 13:13:18,069 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:13:18,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 13:13:18,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 13:13:18,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 13:13:18,070 INFO L87 Difference]: Start difference. First operand 771 states and 935 transitions. Second operand 6 states. [2018-12-09 13:13:18,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:13:18,109 INFO L93 Difference]: Finished difference Result 1542 states and 1930 transitions. [2018-12-09 13:13:18,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 13:13:18,110 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-09 13:13:18,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:13:18,112 INFO L225 Difference]: With dead ends: 1542 [2018-12-09 13:13:18,112 INFO L226 Difference]: Without dead ends: 799 [2018-12-09 13:13:18,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:13:18,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2018-12-09 13:13:18,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 791. [2018-12-09 13:13:18,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-12-09 13:13:18,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 955 transitions. [2018-12-09 13:13:18,140 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 955 transitions. Word has length 104 [2018-12-09 13:13:18,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:13:18,140 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 955 transitions. [2018-12-09 13:13:18,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 13:13:18,140 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-12-09 13:13:18,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 13:13:18,142 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:13:18,143 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:13:18,143 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:13:18,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:18,143 INFO L82 PathProgramCache]: Analyzing trace with hash 2098892362, now seen corresponding path program 1 times [2018-12-09 13:13:18,143 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:13:18,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:18,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:18,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:18,144 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:13:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 13:13:18,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:13:18,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 13:13:18,209 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:13:18,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 13:13:18,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 13:13:18,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 13:13:18,209 INFO L87 Difference]: Start difference. First operand 791 states and 955 transitions. Second operand 8 states. [2018-12-09 13:13:18,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:13:18,243 INFO L93 Difference]: Finished difference Result 1582 states and 1970 transitions. [2018-12-09 13:13:18,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 13:13:18,244 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-12-09 13:13:18,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:13:18,247 INFO L225 Difference]: With dead ends: 1582 [2018-12-09 13:13:18,247 INFO L226 Difference]: Without dead ends: 819 [2018-12-09 13:13:18,249 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 13:13:18,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-12-09 13:13:18,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-12-09 13:13:18,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-12-09 13:13:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 971 transitions. [2018-12-09 13:13:18,283 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 971 transitions. Word has length 104 [2018-12-09 13:13:18,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:13:18,284 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 971 transitions. [2018-12-09 13:13:18,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 13:13:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 971 transitions. [2018-12-09 13:13:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 13:13:18,285 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:13:18,285 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:13:18,285 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:13:18,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:18,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1858352233, now seen corresponding path program 1 times [2018-12-09 13:13:18,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:13:18,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:18,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:18,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:18,286 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:13:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:18,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 13:13:18,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:13:18,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 13:13:18,346 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:13:18,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 13:13:18,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 13:13:18,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 13:13:18,346 INFO L87 Difference]: Start difference. First operand 807 states and 971 transitions. Second operand 4 states. [2018-12-09 13:13:18,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:13:18,513 INFO L93 Difference]: Finished difference Result 2553 states and 3222 transitions. [2018-12-09 13:13:18,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 13:13:18,513 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-12-09 13:13:18,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:13:18,517 INFO L225 Difference]: With dead ends: 2553 [2018-12-09 13:13:18,518 INFO L226 Difference]: Without dead ends: 1774 [2018-12-09 13:13:18,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 13:13:18,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2018-12-09 13:13:18,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1743. [2018-12-09 13:13:18,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1743 states. [2018-12-09 13:13:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2151 transitions. [2018-12-09 13:13:18,574 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2151 transitions. Word has length 104 [2018-12-09 13:13:18,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:13:18,574 INFO L480 AbstractCegarLoop]: Abstraction has 1743 states and 2151 transitions. [2018-12-09 13:13:18,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 13:13:18,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2151 transitions. [2018-12-09 13:13:18,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 13:13:18,576 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:13:18,576 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:13:18,576 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:13:18,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:18,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1251545123, now seen corresponding path program 1 times [2018-12-09 13:13:18,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:13:18,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:18,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:18,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:18,577 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:13:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 13:13:18,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:13:18,658 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 13:13:18,659 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-12-09 13:13:18,660 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [52], [54], [55], [58], [73], [76], [77], [81], [82], [84], [93], [97], [101], [104], [109], [112], [117], [123], [129], [137], [138], [139], [141], [144], [146], [149], [152], [164], [165], [166], [167], [168], [170], [175], [178], [179], [181], [186], [188], [189], [194], [196], [228], [232], [239], [240], [248], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [284], [285], [286], [288], [289], [296], [297], [298], [299], [300], [301], [306], [310], [311], [312], [313], [314], [316], [317], [318], [319], [320], [321], [328], [329], [330], [332], [333], [334] [2018-12-09 13:13:18,682 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 13:13:18,682 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 13:13:18,941 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 13:13:18,942 INFO L272 AbstractInterpreter]: Visited 81 different actions 81 times. Never merged. Never widened. Performed 2767 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2767 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-12-09 13:13:18,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:18,947 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 13:13:19,177 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 96.64% of their original sizes. [2018-12-09 13:13:19,177 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 13:13:19,321 INFO L418 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-12-09 13:13:19,321 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 13:13:19,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 13:13:19,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-12-09 13:13:19,321 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:13:19,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-09 13:13:19,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-09 13:13:19,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2018-12-09 13:13:19,322 INFO L87 Difference]: Start difference. First operand 1743 states and 2151 transitions. Second operand 22 states. [2018-12-09 13:13:24,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:13:24,909 INFO L93 Difference]: Finished difference Result 4350 states and 5398 transitions. [2018-12-09 13:13:24,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-09 13:13:24,909 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 108 [2018-12-09 13:13:24,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:13:24,915 INFO L225 Difference]: With dead ends: 4350 [2018-12-09 13:13:24,916 INFO L226 Difference]: Without dead ends: 2635 [2018-12-09 13:13:24,919 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 133 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=263, Invalid=1993, Unknown=0, NotChecked=0, Total=2256 [2018-12-09 13:13:24,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2635 states. [2018-12-09 13:13:24,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2635 to 2618. [2018-12-09 13:13:24,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2618 states. [2018-12-09 13:13:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2618 states and 3145 transitions. [2018-12-09 13:13:24,987 INFO L78 Accepts]: Start accepts. Automaton has 2618 states and 3145 transitions. Word has length 108 [2018-12-09 13:13:24,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:13:24,987 INFO L480 AbstractCegarLoop]: Abstraction has 2618 states and 3145 transitions. [2018-12-09 13:13:24,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-09 13:13:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 3145 transitions. [2018-12-09 13:13:24,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 13:13:24,991 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:13:24,991 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:13:24,991 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:13:24,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:24,992 INFO L82 PathProgramCache]: Analyzing trace with hash 456257754, now seen corresponding path program 1 times [2018-12-09 13:13:24,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:13:24,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:24,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:24,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:24,992 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:13:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:25,040 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 13:13:25,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:13:25,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:13:25,040 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:13:25,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 13:13:25,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:13:25,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:13:25,041 INFO L87 Difference]: Start difference. First operand 2618 states and 3145 transitions. Second operand 3 states. [2018-12-09 13:13:25,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:13:25,116 INFO L93 Difference]: Finished difference Result 4205 states and 5061 transitions. [2018-12-09 13:13:25,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:13:25,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2018-12-09 13:13:25,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:13:25,121 INFO L225 Difference]: With dead ends: 4205 [2018-12-09 13:13:25,121 INFO L226 Difference]: Without dead ends: 1676 [2018-12-09 13:13:25,124 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:13:25,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2018-12-09 13:13:25,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1626. [2018-12-09 13:13:25,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1626 states. [2018-12-09 13:13:25,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 1913 transitions. [2018-12-09 13:13:25,166 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 1913 transitions. Word has length 141 [2018-12-09 13:13:25,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:13:25,166 INFO L480 AbstractCegarLoop]: Abstraction has 1626 states and 1913 transitions. [2018-12-09 13:13:25,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 13:13:25,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1913 transitions. [2018-12-09 13:13:25,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 13:13:25,169 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:13:25,169 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:13:25,169 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:13:25,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:25,170 INFO L82 PathProgramCache]: Analyzing trace with hash -41412596, now seen corresponding path program 1 times [2018-12-09 13:13:25,170 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:13:25,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:25,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:25,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:25,170 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:13:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 13:13:25,231 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:13:25,231 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 13:13:25,231 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-12-09 13:13:25,232 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [52], [54], [55], [58], [73], [76], [77], [81], [82], [84], [93], [97], [101], [104], [109], [112], [115], [117], [123], [129], [137], [138], [139], [141], [144], [146], [149], [152], [161], [163], [164], [165], [166], [167], [168], [170], [175], [178], [179], [181], [186], [188], [189], [194], [196], [228], [232], [238], [239], [240], [248], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [284], [285], [286], [288], [289], [296], [297], [298], [299], [300], [301], [306], [307], [310], [311], [312], [313], [314], [316], [317], [318], [319], [320], [321], [328], [329], [330], [331], [332], [333], [334] [2018-12-09 13:13:25,235 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 13:13:25,235 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 13:13:25,648 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 13:13:25,649 INFO L272 AbstractInterpreter]: Visited 110 different actions 190 times. Merged at 9 different actions 14 times. Never widened. Performed 10481 root evaluator evaluations with a maximum evaluation depth of 3. Performed 10481 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 135 variables. [2018-12-09 13:13:25,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:25,654 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 13:13:26,030 INFO L227 lantSequenceWeakener]: Weakened 175 states. On average, predicates are now at 96.89% of their original sizes. [2018-12-09 13:13:26,030 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 13:13:26,434 INFO L418 sIntCurrentIteration]: We unified 178 AI predicates to 178 [2018-12-09 13:13:26,434 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 13:13:26,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 13:13:26,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [44] imperfect sequences [5] total 47 [2018-12-09 13:13:26,435 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:13:26,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-12-09 13:13:26,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-12-09 13:13:26,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1715, Unknown=0, NotChecked=0, Total=1892 [2018-12-09 13:13:26,436 INFO L87 Difference]: Start difference. First operand 1626 states and 1913 transitions. Second operand 44 states. [2018-12-09 13:13:43,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:13:43,763 INFO L93 Difference]: Finished difference Result 5194 states and 6627 transitions. [2018-12-09 13:13:43,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-12-09 13:13:43,763 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 179 [2018-12-09 13:13:43,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:13:43,772 INFO L225 Difference]: With dead ends: 5194 [2018-12-09 13:13:43,772 INFO L226 Difference]: Without dead ends: 4198 [2018-12-09 13:13:43,775 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 224 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2069 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=742, Invalid=7268, Unknown=0, NotChecked=0, Total=8010 [2018-12-09 13:13:43,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4198 states. [2018-12-09 13:13:43,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4198 to 3773. [2018-12-09 13:13:43,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3773 states. [2018-12-09 13:13:43,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3773 states and 4560 transitions. [2018-12-09 13:13:43,912 INFO L78 Accepts]: Start accepts. Automaton has 3773 states and 4560 transitions. Word has length 179 [2018-12-09 13:13:43,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:13:43,912 INFO L480 AbstractCegarLoop]: Abstraction has 3773 states and 4560 transitions. [2018-12-09 13:13:43,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-12-09 13:13:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 3773 states and 4560 transitions. [2018-12-09 13:13:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 13:13:43,917 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:13:43,917 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:13:43,918 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:13:43,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:43,918 INFO L82 PathProgramCache]: Analyzing trace with hash 799790300, now seen corresponding path program 1 times [2018-12-09 13:13:43,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:13:43,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:43,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:43,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:43,919 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:13:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 46 proven. 13 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-09 13:13:44,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:13:44,020 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 13:13:44,020 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-12-09 13:13:44,020 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [42], [44], [45], [46], [47], [48], [52], [54], [55], [58], [61], [63], [69], [73], [76], [77], [81], [82], [83], [84], [93], [97], [101], [104], [107], [109], [112], [115], [117], [120], [123], [126], [129], [137], [138], [139], [141], [144], [146], [149], [152], [155], [161], [163], [164], [165], [166], [167], [168], [170], [175], [178], [179], [181], [186], [188], [189], [194], [196], [225], [228], [232], [235], [238], [239], [240], [243], [247], [248], [252], [253], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [280], [281], [284], [285], [286], [288], [289], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [310], [311], [312], [313], [314], [316], [317], [318], [319], [320], [321], [326], [327], [328], [329], [330], [331], [332], [333], [334] [2018-12-09 13:13:44,023 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 13:13:44,023 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 13:13:46,545 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 13:13:46,545 INFO L272 AbstractInterpreter]: Visited 142 different actions 1882 times. Merged at 28 different actions 263 times. Widened at 1 different actions 2 times. Performed 81283 root evaluator evaluations with a maximum evaluation depth of 3. Performed 81283 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 84 fixpoints after 8 different actions. Largest state had 135 variables. [2018-12-09 13:13:46,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:46,548 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 13:13:46,548 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:13:46,548 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 13:13:46,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:46,554 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 13:13:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:46,646 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:13:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 13:13:46,765 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 13:13:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 46 proven. 13 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-09 13:13:47,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 13:13:47,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 13:13:47,389 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:13:47,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 13:13:47,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 13:13:47,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 13:13:47,390 INFO L87 Difference]: Start difference. First operand 3773 states and 4560 transitions. Second operand 8 states. [2018-12-09 13:13:47,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:13:47,604 INFO L93 Difference]: Finished difference Result 6677 states and 8136 transitions. [2018-12-09 13:13:47,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 13:13:47,604 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 199 [2018-12-09 13:13:47,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:13:47,611 INFO L225 Difference]: With dead ends: 6677 [2018-12-09 13:13:47,611 INFO L226 Difference]: Without dead ends: 3523 [2018-12-09 13:13:47,616 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 380 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 13:13:47,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3523 states. [2018-12-09 13:13:47,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3523 to 3427. [2018-12-09 13:13:47,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3427 states. [2018-12-09 13:13:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 3427 states and 4070 transitions. [2018-12-09 13:13:47,729 INFO L78 Accepts]: Start accepts. Automaton has 3427 states and 4070 transitions. Word has length 199 [2018-12-09 13:13:47,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:13:47,729 INFO L480 AbstractCegarLoop]: Abstraction has 3427 states and 4070 transitions. [2018-12-09 13:13:47,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 13:13:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3427 states and 4070 transitions. [2018-12-09 13:13:47,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 13:13:47,733 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:13:47,733 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:13:47,734 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:13:47,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:47,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1512338418, now seen corresponding path program 1 times [2018-12-09 13:13:47,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:13:47,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:47,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:47,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:13:47,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:13:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:47,835 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 58 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 13:13:47,835 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:13:47,835 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 13:13:47,835 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-09 13:13:47,835 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [52], [54], [55], [58], [61], [63], [69], [73], [76], [77], [81], [82], [83], [84], [93], [97], [101], [104], [107], [109], [112], [115], [117], [123], [129], [137], [138], [139], [141], [144], [146], [149], [152], [155], [161], [163], [164], [165], [166], [167], [168], [170], [175], [178], [179], [181], [186], [188], [189], [194], [196], [225], [228], [232], [238], [239], [240], [243], [247], [248], [256], [258], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [280], [281], [284], [285], [286], [288], [289], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [306], [307], [310], [311], [312], [313], [314], [316], [317], [318], [319], [320], [321], [326], [327], [328], [329], [330], [331], [332], [333], [334] [2018-12-09 13:13:47,837 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 13:13:47,837 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 13:13:49,774 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 13:13:49,775 INFO L272 AbstractInterpreter]: Visited 131 different actions 1923 times. Merged at 25 different actions 196 times. Widened at 1 different actions 1 times. Performed 64896 root evaluator evaluations with a maximum evaluation depth of 3. Performed 64896 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 52 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-09 13:13:49,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:13:49,776 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 13:13:49,776 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:13:49,776 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 13:13:49,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:13:49,782 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 13:13:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:13:49,873 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:13:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 13:13:49,960 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 13:13:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 58 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 13:13:50,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 13:13:50,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 13:13:50,368 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:13:50,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 13:13:50,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 13:13:50,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 13:13:50,369 INFO L87 Difference]: Start difference. First operand 3427 states and 4070 transitions. Second operand 8 states. [2018-12-09 13:13:50,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:13:50,593 INFO L93 Difference]: Finished difference Result 4122 states and 4861 transitions. [2018-12-09 13:13:50,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 13:13:50,594 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2018-12-09 13:13:50,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:13:50,595 INFO L225 Difference]: With dead ends: 4122 [2018-12-09 13:13:50,595 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 13:13:50,600 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 430 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 13:13:50,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 13:13:50,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 13:13:50,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 13:13:50,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 13:13:50,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2018-12-09 13:13:50,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:13:50,601 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 13:13:50,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 13:13:50,601 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 13:13:50,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 13:13:50,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 13:13:50,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:50,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:13:51,591 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 29 [2018-12-09 13:13:51,711 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2018-12-09 13:13:52,047 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 32 [2018-12-09 13:13:52,372 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 39 [2018-12-09 13:13:52,763 WARN L180 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 34 [2018-12-09 13:13:53,322 WARN L180 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 67 [2018-12-09 13:13:53,659 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 65 [2018-12-09 13:13:53,929 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 29 [2018-12-09 13:13:54,241 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 49 [2018-12-09 13:13:55,299 WARN L180 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 151 DAG size of output: 76 [2018-12-09 13:13:55,556 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 27 [2018-12-09 13:13:56,001 WARN L180 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 27 [2018-12-09 13:13:56,260 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 40 [2018-12-09 13:13:56,531 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 39 [2018-12-09 13:13:56,701 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 37 [2018-12-09 13:13:56,923 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2018-12-09 13:13:57,030 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 34 [2018-12-09 13:13:57,242 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 38 [2018-12-09 13:13:57,489 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 46 [2018-12-09 13:13:57,801 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2018-12-09 13:13:58,104 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 32 [2018-12-09 13:13:58,262 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 30 [2018-12-09 13:13:58,429 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 30 [2018-12-09 13:13:58,854 WARN L180 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 59 [2018-12-09 13:13:58,857 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-12-09 13:13:58,857 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-12-09 13:13:58,857 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-12-09 13:13:58,857 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-12-09 13:13:58,857 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-12-09 13:13:58,857 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 963 985) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 13:13:58,857 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 963 985) no Hoare annotation was computed. [2018-12-09 13:13:58,857 INFO L444 ceAbstractionStarter]: At program point L975(line 975) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 13:13:58,857 INFO L444 ceAbstractionStarter]: At program point L975-1(line 975) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 13:13:58,857 INFO L448 ceAbstractionStarter]: For program point L973(lines 973 980) no Hoare annotation was computed. [2018-12-09 13:13:58,858 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 963 985) no Hoare annotation was computed. [2018-12-09 13:13:58,858 INFO L448 ceAbstractionStarter]: For program point L973-1(lines 973 980) no Hoare annotation was computed. [2018-12-09 13:13:58,858 INFO L448 ceAbstractionStarter]: For program point L971(line 971) no Hoare annotation was computed. [2018-12-09 13:13:58,858 INFO L444 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 13:13:58,858 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 13:13:58,858 INFO L444 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 13:13:58,858 INFO L444 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (or .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0)) .cse2) (or .cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-09 13:13:58,858 INFO L448 ceAbstractionStarter]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2018-12-09 13:13:58,858 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (let ((.cse3 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3))) .cse5) (or .cse0 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (and (or .cse1 .cse2) (or .cse4 .cse1)) .cse5) (or .cse5 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) .cse2))) [2018-12-09 13:13:58,858 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 292 316) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) .cse2 .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 (and (or .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1)) .cse0))) [2018-12-09 13:13:58,858 INFO L444 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (or .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= processEnvironment__wrappee__methaneQuery_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) .cse4)))) [2018-12-09 13:13:58,858 INFO L448 ceAbstractionStarter]: For program point L300(lines 300 308) no Hoare annotation was computed. [2018-12-09 13:13:58,858 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 292 316) no Hoare annotation was computed. [2018-12-09 13:13:58,858 INFO L444 ceAbstractionStarter]: At program point L298(line 298) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) .cse2) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (and (or .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1)) .cse0))) [2018-12-09 13:13:58,859 INFO L448 ceAbstractionStarter]: For program point L298-1(line 298) no Hoare annotation was computed. [2018-12-09 13:13:58,859 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 313) no Hoare annotation was computed. [2018-12-09 13:13:58,859 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 451 465) no Hoare annotation was computed. [2018-12-09 13:13:58,859 INFO L444 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1)))) (or (and (or .cse1 .cse2) (or .cse3 .cse1)) (not (= 0 |old(~pumpRunning~0)|))))) [2018-12-09 13:13:58,859 INFO L448 ceAbstractionStarter]: For program point L455(lines 455 461) no Hoare annotation was computed. [2018-12-09 13:13:58,859 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 451 465) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (and (or .cse1 .cse2) (or .cse3 .cse1))) (or (not (= |old(~systemActive~0)| 1)) (let ((.cse4 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse4 .cse1 .cse2) (or .cse3 .cse4 .cse1))) (and (= ~systemActive~0 1) .cse0)))) [2018-12-09 13:13:58,859 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 451 465) no Hoare annotation was computed. [2018-12-09 13:13:58,859 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 387 395) no Hoare annotation was computed. [2018-12-09 13:13:58,859 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 387 395) the Hoare annotation is: true [2018-12-09 13:13:58,859 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 387 395) no Hoare annotation was computed. [2018-12-09 13:13:58,859 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-12-09 13:13:58,859 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-12-09 13:13:58,859 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 952 962) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 13:13:58,859 INFO L444 ceAbstractionStarter]: At program point L957(line 957) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 13:13:58,859 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 952 962) no Hoare annotation was computed. [2018-12-09 13:13:58,859 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 952 962) no Hoare annotation was computed. [2018-12-09 13:13:58,859 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 376 386) the Hoare annotation is: true [2018-12-09 13:13:58,859 INFO L451 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: true [2018-12-09 13:13:58,860 INFO L448 ceAbstractionStarter]: For program point L381-1(line 381) no Hoare annotation was computed. [2018-12-09 13:13:58,860 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 376 386) no Hoare annotation was computed. [2018-12-09 13:13:58,860 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 376 386) no Hoare annotation was computed. [2018-12-09 13:13:58,860 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 368 375) the Hoare annotation is: (or (or (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) (not (= ~systemActive~0 1))) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 13:13:58,860 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 368 375) no Hoare annotation was computed. [2018-12-09 13:13:58,860 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 368 375) no Hoare annotation was computed. [2018-12-09 13:13:58,860 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 318 342) no Hoare annotation was computed. [2018-12-09 13:13:58,860 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 318 342) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2))) .cse5) (or (not (= 0 |old(~pumpRunning~0)|)) .cse5 (and (or .cse2 .cse3) (or .cse4 .cse2)) .cse0))) [2018-12-09 13:13:58,860 INFO L444 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2)))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (and (or .cse2 .cse3) (or .cse4 .cse2)) .cse0))) [2018-12-09 13:13:58,860 INFO L448 ceAbstractionStarter]: For program point L337-1(lines 318 342) no Hoare annotation was computed. [2018-12-09 13:13:58,860 INFO L444 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse5 .cse2 .cse3) (or .cse4 .cse5 .cse2))))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (or .cse2 .cse3) (or .cse4 .cse2)) .cse0) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1)))) [2018-12-09 13:13:58,860 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse3 (not (= ~systemActive~0 1))) (.cse4 (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse5 .cse0 .cse1) (or .cse2 .cse5 .cse0))))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (or .cse0 .cse1) (or .cse2 .cse0)) .cse3) (or (< ~methaneLevelCritical~0 1) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse3 .cse4) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 .cse4)))) [2018-12-09 13:13:58,860 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 334) no Hoare annotation was computed. [2018-12-09 13:13:58,860 INFO L444 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2))) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (or .cse2 .cse3) (or .cse4 .cse2)) .cse0))) [2018-12-09 13:13:58,860 INFO L448 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2018-12-09 13:13:58,860 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 339) no Hoare annotation was computed. [2018-12-09 13:13:58,860 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-12-09 13:13:58,860 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-12-09 13:13:58,861 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-09 13:13:58,861 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-12-09 13:13:58,861 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 284 290) no Hoare annotation was computed. [2018-12-09 13:13:58,861 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 284 290) the Hoare annotation is: true [2018-12-09 13:13:58,861 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= test_~splverifierCounter~0 0))) (or (and (and (= 0 ~pumpRunning~0) .cse0) (or (and .cse1 .cse2) (and .cse1 .cse3))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (let ((.cse4 (= ~pumpRunning~0 1))) (or (and .cse1 .cse3 .cse4) (and .cse1 .cse4 .cse2))) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 13:13:58,861 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 183 250) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 13:13:58,861 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2018-12-09 13:13:58,861 INFO L444 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse5 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse3 .cse6 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 .cse2 (= ~pumpRunning~0 1) .cse5 .cse4) (and .cse1 .cse3 .cse6 .cse5 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 13:13:58,861 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 183 250) no Hoare annotation was computed. [2018-12-09 13:13:58,861 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2018-12-09 13:13:58,861 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2018-12-09 13:13:58,861 INFO L444 ceAbstractionStarter]: At program point L240(lines 193 242) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0))) (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse4 (or (and .cse0 (= ~methaneLevelCritical~0 1)) (and .cse0 (= ~methaneLevelCritical~0 0)))) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~methaneLevelCritical~0) (and .cse0 (= ~pumpRunning~0 1)) .cse1 .cse2) (and (= ~systemActive~0 0) .cse3 .cse4 .cse2) (and .cse3 .cse4 .cse1 .cse2) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-09 13:13:58,861 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0))) (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse4 (or (and .cse0 (= ~methaneLevelCritical~0 1)) (and .cse0 (= ~methaneLevelCritical~0 0)))) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~methaneLevelCritical~0) (and .cse0 (= ~pumpRunning~0 1)) .cse1 .cse2) (and (= ~systemActive~0 0) .cse3 .cse4 .cse2) (and .cse3 .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-09 13:13:58,861 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2018-12-09 13:13:58,861 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 203 209) no Hoare annotation was computed. [2018-12-09 13:13:58,861 INFO L448 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2018-12-09 13:13:58,861 INFO L444 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 13:13:58,862 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse4 (= test_~splverifierCounter~0 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= ~methaneLevelCritical~0 0))) (or (and (let ((.cse2 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3))) (= ~systemActive~0 1) .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 0 ~pumpRunning~0) .cse4) (or (and .cse0 .cse3) (and .cse0 .cse1))) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 13:13:58,862 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2018-12-09 13:13:58,862 INFO L444 ceAbstractionStarter]: At program point L231-1(lines 223 238) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse7 (or (and .cse0 .cse3) (and .cse0 .cse1))) (.cse4 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0))) (or (and (let ((.cse2 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3))) .cse4 .cse5) (and (= ~systemActive~0 0) .cse6 .cse7 .cse5) (and .cse6 .cse7 .cse4 .cse5) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-09 13:13:58,862 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 183 250) no Hoare annotation was computed. [2018-12-09 13:13:58,862 INFO L448 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2018-12-09 13:13:58,862 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 343 350) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (not (= ~methAndRunningLastTime~0 0))) [2018-12-09 13:13:58,862 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 343 350) no Hoare annotation was computed. [2018-12-09 13:13:58,862 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 343 350) no Hoare annotation was computed. [2018-12-09 13:13:58,862 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (and (or .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= ~systemActive~0 0)) .cse1) (or .cse2 (or (not (= 1 ~pumpRunning~0)) .cse3) .cse4)))) [2018-12-09 13:13:58,862 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 504) no Hoare annotation was computed. [2018-12-09 13:13:58,862 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 507) no Hoare annotation was computed. [2018-12-09 13:13:58,862 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 485 513) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse5 (and (or .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1)))) (and (or .cse0 (or (not (= 1 ~pumpRunning~0)) .cse1) .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse0) (or .cse4 (not (= ~systemActive~0 0)) .cse3 .cse5)))) [2018-12-09 13:13:58,862 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 0))) (.cse1 (and (or .cse6 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse6))) (.cse5 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse0 .cse5 .cse1 .cse2) (or .cse2 (or (not (= 1 ~pumpRunning~0)) .cse6) .cse3) (or .cse0 .cse4 .cse1 .cse5)))) [2018-12-09 13:13:58,862 INFO L448 ceAbstractionStarter]: For program point L495-1(line 495) no Hoare annotation was computed. [2018-12-09 13:13:58,862 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 510) no Hoare annotation was computed. [2018-12-09 13:13:58,862 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 485 513) no Hoare annotation was computed. [2018-12-09 13:13:58,862 INFO L444 ceAbstractionStarter]: At program point L491(line 491) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse5 (and (or .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1)))) (and (or .cse0 (or (not (= 1 ~pumpRunning~0)) .cse1) .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse0) (or .cse4 (not (= ~systemActive~0 0)) .cse3 .cse5)))) [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point L491-1(line 491) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 485 513) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 477 484) the Hoare annotation is: (or (= ~methAndRunningLastTime~0 0) (not (= ~waterLevel~0 1)) (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)))) [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 477 484) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 477 484) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 351 367) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L444 ceAbstractionStarter]: At program point L362(line 362) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (let ((.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse4)))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3))) [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point L362-1(lines 351 367) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 351 367) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) (not (= ~systemActive~0 1))) [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 364) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L444 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) (not (= ~systemActive~0 1))) [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point L356-1(line 356) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 432 450) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point L441(lines 441 445) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L451 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: true [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point L441-2(lines 441 445) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point L439-1(line 439) no Hoare annotation was computed. [2018-12-09 13:13:58,863 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 432 450) the Hoare annotation is: true [2018-12-09 13:13:58,863 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 432 450) no Hoare annotation was computed. [2018-12-09 13:13:58,864 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-09 13:13:58,864 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse14 (= ~methAndRunningLastTime~0 0))) (let ((.cse10 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse3 (not .cse14)) (.cse15 (= ~methaneLevelCritical~0 1)) (.cse17 (= ~waterLevel~0 2)) (.cse16 (= ~methaneLevelCritical~0 0))) (let ((.cse5 (or (and .cse14 .cse17 .cse15) (and .cse14 .cse17 .cse16))) (.cse4 (not .cse17)) (.cse11 (= 0 ~methaneLevelCritical~0)) (.cse12 (or (and .cse14 .cse15) (and .cse14 .cse16))) (.cse0 (not (= ~systemActive~0 0))) (.cse8 (and (or .cse3 .cse10) (or .cse1 .cse3))) (.cse13 (not (= ~waterLevel~0 1))) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse9 (not (= ~systemActive~0 1))) (.cse7 (<= 1 ~methaneLevelCritical~0))) (and (or (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) .cse5) (or (or .cse6 (or .cse2 .cse0 .cse3)) .cse7) (or (or .cse2 .cse8 .cse9 .cse10) .cse11) (or .cse5 (or .cse1 .cse2 .cse9 .cse3 .cse4)) (or .cse11 (or .cse2 .cse0 .cse3 .cse10)) (or .cse11 (or .cse9 (or (not (= 1 ~pumpRunning~0)) .cse3) .cse10)) (or .cse12 (or .cse2 .cse8 .cse9 .cse13)) (or .cse12 (or .cse2 .cse0 .cse8 .cse13)) (or (or .cse6 (or .cse2 .cse9 .cse3)) .cse7))))) [2018-12-09 13:13:58,864 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-09 13:13:58,864 INFO L451 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: true [2018-12-09 13:13:58,864 INFO L448 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-12-09 13:13:58,864 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 891 920) no Hoare annotation was computed. [2018-12-09 13:13:58,864 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 891 920) the Hoare annotation is: true [2018-12-09 13:13:58,864 INFO L451 ceAbstractionStarter]: At program point L916(lines 891 920) the Hoare annotation is: true [2018-12-09 13:13:58,864 INFO L448 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2018-12-09 13:13:58,864 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 909) no Hoare annotation was computed. [2018-12-09 13:13:58,864 INFO L451 ceAbstractionStarter]: At program point L905-1(lines 905 909) the Hoare annotation is: true [2018-12-09 13:13:58,864 INFO L448 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2018-12-09 13:13:58,864 INFO L451 ceAbstractionStarter]: At program point L901-2(lines 901 915) the Hoare annotation is: true [2018-12-09 13:13:58,864 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse13 (= ~methaneLevelCritical~0 1)) (.cse14 (= ~methaneLevelCritical~0 0))) (let ((.cse6 (= ~methAndRunningLastTime~0 0)) (.cse8 (not .cse14)) (.cse1 (not .cse13)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse11 (= |old(~waterLevel~0)| 1)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (and (or .cse4 .cse8) (or .cse1 .cse4))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (let ((.cse12 (= ~waterLevel~0 2))) (or (and .cse6 .cse12 .cse13) (and .cse6 .cse12 .cse14))))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5)) (or (and .cse6 (= ~pumpRunning~0 1)) (or .cse3 (let ((.cse7 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse7 .cse4 .cse8) (or .cse1 .cse7 .cse4))))) (or .cse2 (and (= 1 ~waterLevel~0) .cse6 .cse9) .cse10 .cse3 (not .cse11)) (or .cse11 .cse2 (and (not (= ~waterLevel~0 1)) .cse6 .cse9) .cse10 .cse3) (or .cse2 (not (= ~systemActive~0 0)) .cse10) (or (or (or .cse2 .cse4 .cse5) .cse3 .cse8) .cse0))))) [2018-12-09 13:13:58,864 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 260 283) the Hoare annotation is: (let ((.cse18 (= ~methaneLevelCritical~0 1)) (.cse19 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse17 (= ~waterLevel~0 2)) (.cse9 (not .cse19)) (.cse10 (not .cse18)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse16 (not (= |old(~waterLevel~0)| 2))) (.cse14 (= |old(~waterLevel~0)| 1))) (let ((.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= 1 ~waterLevel~0)) (.cse6 (not .cse14)) (.cse13 (and (or .cse0 .cse8 .cse9 .cse16) (or .cse10 .cse0 .cse8 .cse16))) (.cse5 (not (= ~systemActive~0 1))) (.cse12 (or (and .cse2 .cse17 .cse18) (and .cse2 .cse17 .cse19))) (.cse11 (not (= ~systemActive~0 0))) (.cse15 (not (= ~waterLevel~0 1))) (.cse4 (and (or .cse8 .cse9) (or .cse10 .cse8)))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6) (or (or .cse5 (and (or .cse7 .cse8 .cse9) (or .cse10 .cse7 .cse8))) (and .cse2 (= ~pumpRunning~0 1))) (or .cse11 .cse12 .cse13) (or .cse14 .cse0 (and .cse15 .cse2 .cse3) .cse4 .cse5) (or (and (or .cse7 .cse8 .cse9 .cse16) (or .cse10 .cse7 .cse8 .cse16)) .cse5 .cse17) (or .cse0 .cse11 (and .cse2 .cse3) .cse4) (or .cse1 .cse0 .cse11 .cse4 .cse6) (or (or .cse13 .cse5) .cse12) (or .cse14 .cse0 .cse11 .cse15 .cse4))))) [2018-12-09 13:13:58,865 INFO L444 ceAbstractionStarter]: At program point L271(lines 271 277) the Hoare annotation is: (let ((.cse23 (= ~methaneLevelCritical~0 1)) (.cse20 (= ~methAndRunningLastTime~0 0)) (.cse21 (= ~methaneLevelCritical~0 0))) (let ((.cse12 (= |old(~waterLevel~0)| 1)) (.cse9 (or (and .cse20 .cse23) (and .cse20 .cse21))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not .cse21)) (.cse1 (not .cse23)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= ~waterLevel~0 2))) (let ((.cse0 (or (and .cse20 .cse6 .cse23) (and .cse20 .cse6 .cse21))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse17 (or .cse3 (let ((.cse24 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse24 .cse4 .cse7) (or .cse1 .cse24 .cse4))))) (.cse15 (and (= 0 ~pumpRunning~0) .cse9)) (.cse14 (let ((.cse22 (= ~pumpRunning~0 1))) (or (and .cse20 .cse21 .cse22) (and .cse20 .cse22 .cse23)))) (.cse18 (= 1 ~waterLevel~0)) (.cse19 (not .cse12)) (.cse8 (not (= ~systemActive~0 0))) (.cse13 (not (= ~waterLevel~0 1))) (.cse16 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (and (or .cse4 .cse7) (or .cse1 .cse4)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse2 .cse6 .cse3 .cse4 .cse7 .cse5) (or .cse8 .cse0 (and (or .cse2 .cse4 .cse7 .cse5) (or .cse1 .cse2 .cse4 .cse5))) (or .cse2 .cse8 (and .cse9 .cse10) .cse11) (or .cse12 .cse2 (and .cse13 .cse9 .cse10) .cse11 .cse3 (and .cse13 .cse14)) (or .cse15 .cse16 .cse17) (or .cse18 .cse2 .cse8 .cse11 .cse19) (or .cse17 .cse15 .cse14) (or .cse2 (and .cse18 .cse9 .cse10) .cse11 .cse3 .cse19) (or .cse12 .cse2 .cse8 .cse13 .cse11) (or .cse16 .cse2 .cse10 .cse11 .cse3))))) [2018-12-09 13:13:58,865 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 260 283) no Hoare annotation was computed. [2018-12-09 13:13:58,865 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and (or .cse2 .cse3) (or .cse4 .cse2)))) (and (or (and (= ~methAndRunningLastTime~0 0) (= ~pumpRunning~0 1)) (or .cse0 (and (or .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2)))) (or (let ((.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse1 .cse2 .cse5))) .cse0 (= ~waterLevel~0 2)) (or .cse6 .cse7 .cse0) (or .cse6 (not (= ~systemActive~0 0)) .cse7)))) [2018-12-09 13:13:58,865 INFO L448 ceAbstractionStarter]: For program point L264(lines 263 282) no Hoare annotation was computed. [2018-12-09 13:13:58,865 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 260 283) no Hoare annotation was computed. [2018-12-09 13:13:58,865 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-09 13:13:58,865 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-09 13:13:58,865 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-09 13:13:58,865 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) (= ~waterLevel~0 2)) [2018-12-09 13:13:58,865 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-09 13:13:58,865 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-09 13:13:58,865 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 945 951) no Hoare annotation was computed. [2018-12-09 13:13:58,865 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 945 951) the Hoare annotation is: true [2018-12-09 13:13:58,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 13:13:58,865 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 13:13:58,865 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 13:13:58,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 13:13:58,865 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 466 473) no Hoare annotation was computed. [2018-12-09 13:13:58,866 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 466 473) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~waterLevel~0 2))) (.cse0 (= ~systemActive~0 1))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 (not (= ~waterLevel~0 1)))) (or .cse2 .cse0 .cse3 .cse4 .cse1 .cse5) (or (let ((.cse6 (not (= 1 ~pumpRunning~0)))) (and (or .cse6 .cse3 .cse4 .cse1 .cse5) (or (not (= ~methaneLevelCritical~0 1)) .cse6 .cse3 .cse4 .cse5))) .cse0))) [2018-12-09 13:13:58,866 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 466 473) no Hoare annotation was computed. [2018-12-09 13:13:58,866 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-09 13:13:58,866 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-09 13:13:58,866 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse12 (= ~methAndRunningLastTime~0 0)) (.cse13 (= ~methaneLevelCritical~0 1)) (.cse14 (= ~methaneLevelCritical~0 0))) (let ((.cse11 (= ~waterLevel~0 2)) (.cse8 (not .cse14)) (.cse10 (not .cse13)) (.cse7 (not .cse12))) (let ((.cse5 (not (= ~systemActive~0 0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (and (or .cse7 .cse8) (or .cse10 .cse7))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse6 (or (and .cse12 .cse11 .cse13) (and .cse12 .cse11 .cse14))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (and (or .cse0 .cse7 .cse8 .cse9) (or .cse10 .cse0 .cse7 .cse9))) (or (or (not (= 1 ~pumpRunning~0)) .cse7 .cse9) (or .cse3 .cse8) .cse11) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse6 (and (or .cse0 .cse3 .cse7 .cse8 .cse9) (or .cse10 .cse0 .cse3 .cse7 .cse9))))))) [2018-12-09 13:13:58,866 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 881 888) no Hoare annotation was computed. [2018-12-09 13:13:58,866 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 881 888) the Hoare annotation is: true [2018-12-09 13:13:58,866 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2018-12-09 13:13:58,866 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 881 888) no Hoare annotation was computed. [2018-12-09 13:13:58,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:13:58 BoogieIcfgContainer [2018-12-09 13:13:58,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 13:13:58,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:13:58,877 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:13:58,878 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:13:58,878 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:13:16" (3/4) ... [2018-12-09 13:13:58,880 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 13:13:58,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 13:13:58,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 13:13:58,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 13:13:58,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 13:13:58,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 13:13:58,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 13:13:58,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 13:13:58,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 13:13:58,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 13:13:58,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 13:13:58,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 13:13:58,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 13:13:58,889 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 13:13:58,889 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 13:13:58,889 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 13:13:58,890 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 13:13:58,890 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 13:13:58,890 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 13:13:58,907 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && methAndRunningLastTime == 0 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((systemActive == 0 && 0 == pumpRunning) && ((methAndRunningLastTime == 0 && methaneLevelCritical == 1) || (methAndRunningLastTime == 0 && methaneLevelCritical == 0))) && splverifierCounter == 0)) || (((0 == pumpRunning && ((methAndRunningLastTime == 0 && methaneLevelCritical == 1) || (methAndRunningLastTime == 0 && methaneLevelCritical == 0))) && systemActive == 1) && splverifierCounter == 0)) || (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 13:13:58,907 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(waterLevel) == 1) || ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 13:13:58,932 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3dc5f51e-4ae7-4eb7-a71b-a2d6ea72c9a9/bin-2019/utaipan/witness.graphml [2018-12-09 13:13:58,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:13:58,932 INFO L168 Benchmark]: Toolchain (without parser) took 43091.35 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -253.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-09 13:13:58,933 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:13:58,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -124.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-09 13:13:58,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:13:58,933 INFO L168 Benchmark]: Boogie Preprocessor took 21.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 13:13:58,933 INFO L168 Benchmark]: RCFGBuilder took 327.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:13:58,933 INFO L168 Benchmark]: TraceAbstraction took 42345.38 ms. Allocated memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -181.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-12-09 13:13:58,934 INFO L168 Benchmark]: Witness Printer took 54.71 ms. Allocated memory is still 2.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.4 kB). Peak memory consumption was 30.4 kB. Max. memory is 11.5 GB. [2018-12-09 13:13:58,935 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -124.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 327.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 42345.38 ms. Allocated memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -181.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 54.71 ms. Allocated memory is still 2.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.4 kB). Peak memory consumption was 30.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 885]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && methAndRunningLastTime == 0 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((systemActive == 0 && 0 == pumpRunning) && ((methAndRunningLastTime == 0 && methaneLevelCritical == 1) || (methAndRunningLastTime == 0 && methaneLevelCritical == 0))) && splverifierCounter == 0)) || (((0 == pumpRunning && ((methAndRunningLastTime == 0 && methaneLevelCritical == 1) || (methAndRunningLastTime == 0 && methaneLevelCritical == 0))) && systemActive == 1) && splverifierCounter == 0)) || (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: !(\old(waterLevel) == 1) || ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 158 locations, 1 error locations. SAFE Result, 42.2s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 24.5s AutomataDifference, 0.0s DeadEndRemovalTime, 8.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 3039 SDtfs, 2979 SDslu, 15067 SDs, 0 SdLazy, 8419 SolverSat, 872 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1304 GetRequests, 1068 SyntacticMatches, 15 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2682 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3773occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.1s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9963029550669206 AbsIntWeakeningRatio, 0.9052631578947369 AbsIntAvgWeakeningVarsNumRemoved, 46.589473684210525 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 755 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 6540 PreInvPairs, 6762 NumberOfFragments, 4386 HoareAnnotationTreeSize, 6540 FomulaSimplifications, 24963 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 67 FomulaSimplificationsInter, 56565 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1872 NumberOfCodeBlocks, 1872 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2277 ConstructedInterpolants, 0 QuantifiedInterpolants, 515682 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2101 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 855/925 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...